421441311 has 32 divisors (see below), whose sum is σ = 603187200. Its totient is φ = 261152640.

The previous prime is 421441291. The next prime is 421441331. The reversal of 421441311 is 113144124.

It is an interprime number because it is at equal distance from previous prime (421441291) and next prime (421441331).

It is not a de Polignac number, because 421441311 - 2¹⁸ = 421179167 is a prime.

It is a super-2 number, since 2×421441311² = 355225557234797442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421441331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827725 + ... + 828233.

It is an arithmetic number, because the mean of its divisors is an integer number (18849600).

Almost surely, 2^421441311 is an apocalyptic number.

421441311 is a deficient number, since it is larger than the sum of its proper divisors (181745889).

421441311 is a wasteful number, since it uses less digits than its factorization.

421441311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 384, while the sum is 21.

The square root of 421441311 is about 20529.0358029792. The cubic root of 421441311 is about 749.7429109948.

Adding to 421441311 its reverse (113144124), we get a palindrome (534585435).

The spelling of 421441311 in words is "four hundred twenty-one million, four hundred forty-one thousand, three hundred eleven".